{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "5 , 7 - dichlorokynurenic acid ( 5 , 7 - DCKA ) , a selective glycine site antagonist , injected in doses of 2 . 5 and 4 . 5 microg / 0 . 5 microl bilaterally , into the rostral region of the striatum , decreased both the haloperidol - induced muscle rigidity ( MMG ) and the enhanced electromyographic activity ( EMG ) ."}
{"Chemical": ["5 , 7 - dichlorokynurenic acid", "5 , 7 - DCKA", "glycine", "haloperidol"], "Disease": ["muscle rigidity"]}